74146529644 has 12 divisors (see below), whose sum is σ = 141552465768. Its totient is φ = 33702968000.

The previous prime is 74146529609. The next prime is 74146529671. The reversal of 74146529644 is 44692564147.

It is a junction number, because it is equal to n+sod(n) for n = 74146529591 and 74146529600.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 842574157 + ... + 842574244.

It is an arithmetic number, because the mean of its divisors is an integer number (11796038814).

Almost surely, 2^74146529644 is an apocalyptic number.

It is an amenable number.

74146529644 is a deficient number, since it is larger than the sum of its proper divisors (67405936124).

74146529644 is a wasteful number, since it uses less digits than its factorization.

74146529644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1685148416 (or 1685148414 counting only the distinct ones).

The product of its digits is 5806080, while the sum is 52.

The spelling of 74146529644 in words is "seventy-four billion, one hundred forty-six million, five hundred twenty-nine thousand, six hundred forty-four".